Fayalite and Cuprite Physical Properties

Fayalite

Cuprite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.3925.85-6.15

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{010} moderate, {100} imperfect

Fair in four directions forming octahedrons

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fayalite and Cuprite Chemical Formula

While comparing Fayalite and Cuprite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Fayalite and Cuprite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cuprite- Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Fayalite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.